If you mean which planets that Humans have set foot on then Earth is the only one.
We have went to the moon, but it does not count as a planet.
Human made space craft have been to every planet in the Solar System. We have on en route to Pluto right now.
Humans have only made it to the moon, which is a satellite, not a planet.
Humans have not been to any planets besides Earth.
They have been to a satellite - Earth's moon though and have sent probes to several other planets.
yeah, then how did they know that air and water aren't enough there?
No, humans have so far only been to our moon.
No person has ever 'explored' any planet, besides Earth. Several people have been to the moon. Unmanned vehicles have been to Mars. Mankind has only 'explored' other planets visually.
they want to see why other planets are differant from earth and want to learn and study other planets!
No. Other stars have been found to have planets orbiting them.
rocks
Man has never been to any other planets. We have, however, been to the moon.
People have only been to the moon. However, we can still see other planets using telescopes, satellites and probes.
Some people believe that spaceships from other planets have visited Earth, but no one has ever been able to prove it.
Nobody has been to Eris. The only place people have gone is to the moon, not to any of the other planets.
No person has ever 'explored' any planet, besides Earth. Several people have been to the moon. Unmanned vehicles have been to Mars. Mankind has only 'explored' other planets visually.
NO- People have found water on other planets but there is no life there.
The planets have been around much longer than people.
they want to see why other planets are differant from earth and want to learn and study other planets!
Other than the Earth, no life has been found on any of the other planets. We are still searching.
Yes. There have been hundreds of planets discovered in other stars in the Milky Way. It has been estimated that the Milky Way likely contains hundreds of billions of planets.
Over 900 planets have been discovered orbiting other stars. These are called exoplanets.
no. no humans have ever been to any of the other planets.
No. Other stars have been found to have planets orbiting them.